The mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 mc024-1.jpg 1023. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures? . 1.99 mc024-2.jpg 10–23 g. 1.994 mc024-3.jpg 10–23 g. 2 mc024-4.jpg 10–23 g. 2.0 mc024-5.jpg 10–23 g

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.